It's home to the world's most vast variety of living creatures with the most birds, freshwater fish and butterflies, yet, countless things remain undiscovered in the Amazon rain forest.
At 1.4 billion acres, the Amazon, which is in Brazil, is the biggest rain forest in size and diversity. Its area matches the size of the continental United States.
The region, which spreads across nine countries and is the source of half of all rain forest land on the planet, also holds the biggest river in...Full Story